Patch "drm/radeon: check incoming cliprects pointer" has been added to the 3.0-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/radeon: check incoming cliprects pointer

to the 3.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-radeon-check-incoming-cliprects-pointer.patch
and it can be found in the queue-3.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From fefaedcfb82d2e57c2320acf60604ab03b750cc0 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Sun, 12 May 2013 22:00:51 -0700
Subject: drm/radeon: check incoming cliprects pointer

From: Kees Cook <keescook@xxxxxxxxxxxx>

commit fefaedcfb82d2e57c2320acf60604ab03b750cc0 upstream.

The "boxes" parameter points into userspace memory. It should be verified
like any other operation against user memory.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/radeon/r300_cmdbuf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -74,7 +74,7 @@ static int r300_emit_cliprects(drm_radeo
 		OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));
 
 		for (i = 0; i < nr; ++i) {
-			if (DRM_COPY_FROM_USER_UNCHECKED
+			if (DRM_COPY_FROM_USER
 			    (&box, &cmdbuf->boxes[n + i], sizeof(box))) {
 				DRM_ERROR("copy cliprect faulted\n");
 				return -EFAULT;


Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are

queue-3.0/drm-radeon-check-incoming-cliprects-pointer.patch
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